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annotate gcc/testsuite/g++.dg/cpp0x/constexpr-value4.C @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 // PR c++/57901
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2 // { dg-require-effective-target c++11 }
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3
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4 struct Z {
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5 Z() = default;
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6 Z(Z const&) = default;
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7 constexpr Z(Z&&) {} /* non-trivial (constexpr) move ctor */
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8 };
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9
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10 template<typename T>
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11 constexpr int fn0(T v) { return 0; }
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12 template<typename T>
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13 constexpr int fn (T v) { return fn0(v); }
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14
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15 constexpr auto t0 = fn0(Z()); // OK!
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16 constexpr auto t = fn (Z()); // error! (GCC 4.8.1)